{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerable system", "capabilities", "vulnerable system version", "time", "discoverer", "vulnerable system owner", "supported platform"]}], "input": "Microsoft released its Meltdown and Spectre patches on January 4 , a day after security researchers disclosed the two flaws , vulnerabilities that allow attackers to retrieve data from protected areas of modern CPUs ."}
{"discover vulnerability": [{"vulnerable system": "NAN", "capabilities": "allow attackers to retrieve data from protected areas", "vulnerable system version": "NAN", "time": "a day after", "discoverer": "security researchers", "vulnerable system owner": "NAN", "supported platform": "modern CPUs"}]}